1)      Low breathing resistance with hingt filtration efficiency.Looaded polypropylene material without any toxic,irritating,stimulant,poison.

2)      Adjustable nosepiece and inner foam provide a custom seal for different facial sizes.

3)      Easy-breathing exhalation valve with slicon piece inside designed to facilitate air exchang,increase worker comfort.

4)      Smooth outer cover,no slot.

5)      Special 3-ply pleated design,high filtration and static electricity material to resist normal toxic and tiny micron particle.

6)      Suited to mining,building,grindingdrugs,casting,agriclture,farming,electronic,food processing,cement textile,disintegration,carving,heavy metal pollution,gardenning,glassetc workshops.